Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-2,1) or (-1,0) and new values introduced in order 0..2.
A275221
Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-2,1) or (-1,0) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =6a(2) =61a(3) =1302a(4) =64248a(5) =6534900a(6) =1368326231a(7) =608741311725
External references
- oeis: A275221